Sard and Jacobsite Physical Properties

Sard

Jacobsite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.58-2.634.76-5.03

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

Conchoidal, Brittle

1.6 Cleavage

Not Available

None

1.7 Mohs Hardness

6.5-75.5-6.5

2 10

1.8 Chemical Composition

SiO 2Ulrich Henn and Claudio C.

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Sard and Jacobsite Chemical Formula

While comparing Sard and Jacobsite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Sard and Jacobsite chemical formula.

Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.
Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Sard Vs Sillimanite

Sard Vs Spinel

Sard Vs Sodalite

Sard and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Sard is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.